Electric beverage heater



FIG. 1 is a perspective view of the design;

FIG. 2 is a first side elevational view of the design;

FIG. 3 is a second side elevational view of the design;

FIG. 4 is a front side elevational view of the design;

FIG. 5 is a rear side elevational view of the design;

FIG. 6 is a top view of the design; and,

FIG. 7 is a bottom view of the design. 

The ornamental design for a electric beverage heater, as shown and described. 